CN102528863A - Method for manufacturing bamboo composite container baseboard - Google Patents
Method for manufacturing bamboo composite container baseboard Download PDFInfo
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- CN102528863A CN102528863A CN2012100829966A CN201210082996A CN102528863A CN 102528863 A CN102528863 A CN 102528863A CN 2012100829966 A CN2012100829966 A CN 2012100829966A CN 201210082996 A CN201210082996 A CN 201210082996A CN 102528863 A CN102528863 A CN 102528863A
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Abstract
The invention discloses a method for manufacturing a bamboo composite container baseboard, which comprises a single board and bamboo curtain drying process, a single board and bamboo curtain clearing-up and grading process, a board repairing process, an assembling process, a hot pressing process and a board discharging process. The method is characterized in that (1) the board repairing process heats, melts and pasts a repaired board by using a hot melt gun and a hot melt glue rod; (2) the hot pressing process adopts impregnated cloth to press a panel with apitong wood grains; (3) temperature reduction under constant pressure is conducted while pressure of a heating board is kept to be unchanged; and (4) specific assembling modes are used. By means of the characteristics, hot pressing production efficiency of the method increases by more than 30%, simultaneously quality performance of manufactured products is greatly improved, and transverse modulus of rupture, transverse modulus of elasticity and longitudinal modulus of elasticity of the bamboo composite container baseboard respectively reach 48.79, 4770 and 13140 and all exceed more than 30% of national regulated standard values. In addition, the panel with the apitong wood grains pressed by the impregnated cloth is adopted, process is simplified while cost is reduced..
Description
Technical field
The present invention relates to a kind of composite container baseboard, especially relate to a kind of manufacturing approach of composite container baseboard.
Background technology
Bamboo wood is wide, wide in variety in China place of production, aboundresources; And the growth of bamboo is fast, with short production cycle, thereby its price is cheap than timber, and bamboo wood has good intensity and toughness; The bamboo wood composite container baseboard that wood substituted by bamboo is produced; Both save timber, improved the performance of container bottom board again, become the main product of container bottom board gradually.
But, in the production method of existing bamboo wood composite container baseboard, for the utilization ratio efficient of speed production process, raising hot press; Base plate semi-finished product to after the hot pressing are all taked the high temperature ejecting plate,, just operate hot press and carry out high temperature release ejecting plate during still up to 80 ℃-90 ℃ in the half-finished temperature of base plate; Make base plate semi-finished product dilatancy under environment under low pressure of high temperature,, re-use another hot press it is carried out secondary pressurization cooling then for making it recover due size; Like this; Not only increased operational sequence, increased the weight of staff's workload, what is more important is in the process of aforesaid high temperature release ejecting plate and secondary pressurization cooling; The half-finished bonding quality of base plate is carried out destruction twice, greatly influenced the strength character of base plate.
Secondly, in the manufacture process of existing bamboo wood composite container baseboard, the method for always using adhesive tape to paste carry out veneer sticking patch, squeegee; Its used adhesive tape is deposited in the base plate; When base plate work is stressed, cause base plate interior the tearing of adhesive tape place, reduced the bonding strength of base plate.
At last, there is the defective that is easy to buckling deformation again in higher, the lower-cost bamboo wood composite container baseboard of the relative consumption of bamboo wood, makes to reduce cost and improve the quality and can not take into account simultaneously; In addition, for reaching clone's veneer panel that the desired clone's grain of wood in container bottom board surface uses, increased production cost again.
So, the manufacturing approach of existing bamboo wood composite container baseboard, it is higher still to exist the lumber consumption cost, the defective that production process is complicated, efficient is low, capability and performance is low.
Summary of the invention
Technical problem:, provide that a kind of production process is simple, production efficiency is high, the manufacturing approach of the bamboo wood composite container baseboard of good product performance to the deficiency that above-described prior art exists.
Technical scheme: the manufacturing approach of bamboo wood composite container baseboard provided by the invention; Comprise following operation: the arrangement classification of the drying of veneer and bamboo curtain splint, veneer and bamboo curtain splint, benefit plate, impregnation, gluing, assembly, precompressed, hot pressing, ejecting plate and sanding; Its innovation part is
1) in described benefit plate operation, adopt thermosol gun thermosol rod heating and melting to paste sticking patch, squeegee;
2) in described hot pressing process,
Compacting clone's grain of wood: be provided with in the one side of the contact impregnated cloth panel of heating platen and be the plating of cloning the grain of wood longitudinally;
Constant voltage cooling: after hot pressing was accomplished, the hot press oil cylinder working-pressure was constant keeping, and promptly kept closing the intake valve of hot press earlier under the constant situation of the pressure of heating platen, opened water intaking valve then, and water filling in the heating tube of heating platen is carried out the constant voltage cooling to heating plate; After the constant voltage cooling is accomplished, close water intaking valve and stop into water, operate hot press release ejecting plate then.
In the cooling of described constant voltage, with the temperature stabilization of heating platen reduce to the normal temperature below 40 ℃ after, operate hot press release ejecting plate again, effect is best.
In described assembly operation, impregnated cloth, weedtree veneer and bamboo curtain splint order from top to bottom are: ground floor impregnated cloth panel, and the second layer, layer 5, layer 7, eleventh floor, the 15 layer, the 17 layer, the 20 layer are vertical weedtree veneer; The 3rd layer, the 9th layer, the 13 layer, the 19 layer is vertical bamboo curtain splint; The 4th layer, the 8th layer, the tenth layer, Floor 12, the 14 layer, the 18 layer are horizontal weedtree veneer; Layer 6, the 16 layer are horizontal bamboo curtain splint; Second eleventh floor is the weedtree veneer of vertical texture.
The thickness of described weedtree veneer is preferably 1.5mm-2.0mm, and dry back moisture content is preferred below 8%; The thickness of described bamboo curtain splint is preferably 1.5mm-2.0mm, and dry back moisture content is preferred below 12%; The timber of described weedtree veneer is preferably taken from hondapara (DIL clings to fresh code, down together), glue wood (GUW), rosewood (PLB), Marasse (MAL), Piao Kaila (BUR), hard servant (CEH), Te Lika good weedtree seeds such as (TRC).
Beneficial effect: the present invention improves prior art aspect four.At first; In mending the plate operation, abandoned the method that veneer that traditional use adhesive tape repairs needs carries out sticking patch, squeegees; Change into and adopt thermosol gun thermosol rod heating and melting to paste sticking patch, squeegee; Make and mend the place of connecing and realized with no paper at all, avoided base plate interior, increased the bonding strength of base plate the tearing of adhesive tape place.Secondly, adopted the constant voltage temperature reduction technology, let the cooling of under constant pressure, constant shape, constant volume, lowering the temperature of container bottom board after the hot pressing, the intensity quality of assurance base plate.The third aspect adopts special assembly order and mode, in intensity that makes full use of bamboo and toughness, has overcome it again and has been easy to the shortcoming of warpage.More than the improvement of three aspects; The more traditional product of capability and performance of the container bottom board that the inventive method produces is greatly improved; Wherein, Most important horizontal MOR, transverse modulus of elasticity and longitudinal modulus of elasticity reach 48.79,4770 and 13140 respectively, all above more than 30 percent of state-set standard value.In addition, adopt clone's wood grain panel of impregnated cloth compacting, replace natural clone's wooden boards, when reducing cost, simplified technology again.
Description of drawings
Fig. 1: the structural representation of the bamboo wood composite container baseboard of the embodiment of the invention.
Have among the figure: ground floor impregnated cloth panel 1; The second layer 2, layer 55, layer 77, eleventh floor 11, the 15 layer 15, the 17 layer 17, the 20 layer 20 are vertical weedtree veneer; The 3rd layer 3, the 9th layers 9, the 13 layer 13, the 19 layer 19 is vertical bamboo curtain splint; The 4th layer 4, the 8th layers 8, the tenth layers 10, Floor 12 12, the 14 layer 14, the 18 layer 18 are horizontal weedtree veneer; Layer 66, the 16 layer 16 are horizontal bamboo curtain splint; Second eleventh floor 21 is the weedtree veneer of vertical texture.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the manufacturing approach of bamboo wood composite container baseboard of the present invention is further described.
1) drying of veneer and bamboo curtain splint, the cutting of impregnated cloth, veneer and bamboo curtain splint: be of a size of 2460mm * 1220mm, thickness is 1.5mm-2.0mm, allowable error ± 0.5mm, moisture content is below 8% after the veneer drying, and moisture content is below 12% after the bamboo curtain splint drying.
2) mend plate: employed weedtree is repaired plate in the assembly process; Its method for repairing and mending is to adopt thermosol gun thermosol rod heating and melting to paste sticking patch, squeegee; Only bonding in the splicing seam crossing applying glue of base plate, can not use the surface adhesion of adhesive tape at base plate, make benefit plate process with no paper; To increase the bonding strength of base plate, avoid base plate interior tearing at the adhesive tape place.
3) impregnation and gluing: the phenolic resin glue of solids content 50% ± 1%, add Tai Lilemu 400 (Tailileum-400) insect-proof agent, flour by proportioning, stir impregnation, glue-spread is 400g-420g/m
2, equably veneer, bamboo curtain splint are carried out gluing.
4) assembly: referring to accompanying drawing 1, impregnated cloth, weedtree veneer and bamboo curtain splint order from top to bottom are: ground floor impregnated cloth panel 1; The second layer 2, layer 55, layer 77, eleventh floor 11, the 15 layer 15, the 17 layer 17, the 20 layer 20 are vertical weedtree veneer; The 3rd layer 3, the 9th layers 9, the 13 layer 13, the 19 layer 19 is vertical bamboo curtain splint; The 4th layer 4, the 8th layers 8, the tenth layers 10, Floor 12 12, the 14 layer 14, the 18 layer 18 are horizontal weedtree veneer; Layer 66, the 16 layer 16 are horizontal bamboo curtain splint; Second eleventh floor 21 is the weedtree veneer of vertical texture, and this composite bottom board has eight horizontal 13 vertical totally two eleventh floors.The thickness of described weedtree veneer is preferably 1.5mm-2.0mm, and moisture content is preferred below 8%; The thickness of described bamboo curtain splint is preferably 1.5mm-2.0mm, and dry back moisture content is preferred below 12%; The timber of described weedtree veneer is preferably taken from hondapara (DIL clings to fresh code, down together), glue wood (GUW), rosewood (PLB), Marasse (MAL), Piao Kaila (BUR), hard servant (CEH), Te Lika good weedtree seeds such as (TRC).
5) precompressed: unit pressure 1.5Mpa-1.8Mpa, 30 minutes time.
6) hot pressing, in hot pressing process, carry out following work:
A, the compacting clone grain of wood: be provided with the heating platen that is the plating of cloning the grain of wood longitudinally with one side the impregnated cloth panel is carried out hot pressing, also can after increase one deck is carved with the corrosion resistant plate of cloning the grain of wood longitudinally on the heating platen, carry out hot pressing to the impregnated cloth panel.
B, temperature are advanced plate for 40 ℃, and Open valve admission, intensification are boosted simultaneously, and timing when temperature rose to 140 ℃ in 20 minutes, is held temperature at pressurize in 20 minutes, and maximum temperature is 140 ℃-150 ℃, and unit pressure is 2.1Mpa-2.3Mpa;
After accomplishing, C, hot pressing carry out the constant-pressure drop temperature: keeping under the constant situation of hot press oil cylinder working-pressure, promptly keeping closing the intake valve of hot press earlier under the constant situation of the pressure of heating platen; Open water intaking valve then, heating plate carried out constant voltage cooling---in the heating tube of heating platen, inject the normal temperature soft water below 40 ℃, when the temperature temperature of heating platen when reducing to below 40 ℃; Close water intaking valve and stop into water; Then, operate hot press release ejecting plate then, 20 minutes cool times.Whole hot pressing and temperature-fall period only need 40 minutes, shorten 15 to 20 minutes than existing method, and production efficiency improves more than 30 percent.
6) ejecting plate and sanding.
Saw to mill by regulation and obtain the bamboo wood composite container baseboard finished product that thickness is 28mm ± 0.5mm.
The capability and performance of the container bottom board that the inventive method is produced; More traditional product greatly improves, wherein, and most important horizontal MOR, transverse modulus of elasticity and longitudinal modulus of elasticity; Reach 48.79,4770 and 13140 respectively, all above more than 30 percent of state-set standard value.
The protection domain of patent of the present invention is not limited to the concrete scheme of present embodiment, everyly utilizes technical scheme provided by the invention, and the production of carrying out, manufacturing, assembling, usage behavior all fall within the protection domain of this patent.
Claims (4)
1. the manufacturing approach of a bamboo wood composite container baseboard comprises following operation: the arrangement classification of the drying of veneer and bamboo curtain splint, veneer and bamboo curtain splint, mends plate, impregnation, gluing, assembly, precompressed, hot pressing, ejecting plate and sanding, it is characterized in that,
1) in described benefit plate operation, adopt thermosol gun thermosol rod heating and melting to paste sticking patch, squeegee;
2) in described hot pressing process,
Compacting clone's grain of wood: be provided with in the one side of the contact impregnated cloth panel (1) of heating platen and be the plating of cloning the grain of wood longitudinally;
Constant voltage cooling: after hot pressing is accomplished, keeping closing the intake valve of hot press earlier under the constant situation of heating platen pressure; Open water intaking valve then; Water filling in the heating tube of heating platen is carried out the constant voltage cooling to heating plate, after the constant voltage cooling is accomplished; Close water intaking valve and stop into water, operate hot press release ejecting plate then.
2. manufacturing approach as claimed in claim 1 is characterized in that the cooling of described constant voltage is accomplished to be meant that the temperature of heating platen reduces to below 40 ℃.
3. manufacturing approach as claimed in claim 1 is characterized in that in the described assembly operation, and impregnated cloth, weedtree veneer and bamboo curtain splint order from top to bottom are:
Ground floor impregnated cloth panel (1);
The second layer (2), layer 5 (5), layer 7 (7), eleventh floor (11), the 15 layer (15), the 17 layer (17), the 20 layer (20) are vertical weedtree veneer;
The 3rd layer (3), the 9th layer (9), the 13 layer (13), the 19 layer (19) are vertical bamboo curtain splint;
The 4th layer (4), the 8th layer (8), the tenth layer (10), Floor 12 (12), the 14 layer (14), the 18 layer (18) are horizontal weedtree veneer;
Layer 6 (6), the 16 layer (16) are horizontal bamboo curtain splint;
Second eleventh floor (21) is the weedtree veneer of vertical texture.
4. manufacturing approach as claimed in claim 3, the thickness that it is characterized in that described weedtree veneer is 1.5mm-2.0mm, dry back moisture content is below 8%; The thickness of described bamboo curtain splint is 1.5mm-2.0mm, and dry back moisture content is below 12%; The timber of described weedtree veneer is taken from hondapara, glue wood, rosewood, Marasse, Piao Kaila, hard servant, the spy and is blocked seeds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100829966A CN102528863A (en) | 2012-03-27 | 2012-03-27 | Method for manufacturing bamboo composite container baseboard |
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| CN2012100829966A CN102528863A (en) | 2012-03-27 | 2012-03-27 | Method for manufacturing bamboo composite container baseboard |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000015610A (en) * | 1998-04-27 | 2000-01-18 | Bamboo Material:Kk | Floor board and floorcloth |
| JP2004345299A (en) * | 2003-05-26 | 2004-12-09 | Mitsuba Giken:Kk | Composite glued laminated lumber of bamboo and thinning wood material |
| CN1569409A (en) * | 2004-04-26 | 2005-01-26 | 南通新洋环保板业有限公司 | Bamboo and wood alternately arranged composite board and its manufacturing method |
| CN1868700A (en) * | 2006-06-05 | 2006-11-29 | 南通新洋环保板业有限公司 | Manufacturing method of bamboo wood composite container baseboard |
| CN200960685Y (en) * | 2006-10-26 | 2007-10-17 | 南通新洋环保板业有限公司 | Bamboo-wood plywood for container |
| CN101121275A (en) * | 2006-08-10 | 2008-02-13 | 中国国际海运集装箱(集团)股份有限公司 | Method for connecting plywood single board repair |
| CN101474810A (en) * | 2009-02-03 | 2009-07-08 | 鸿望有限公司 | Bamboo wood composite container floor |
| JP2011136438A (en) * | 2009-12-25 | 2011-07-14 | Sumitomo Forestry Co Ltd | Woody composite material |
| CN201914627U (en) * | 2010-09-02 | 2011-08-03 | 佛山市顺德区东顺木业有限公司 | Wood-bamboo-composite container bottom board adopting hot-in hot-out process |
-
2012
- 2012-03-27 CN CN2012100829966A patent/CN102528863A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000015610A (en) * | 1998-04-27 | 2000-01-18 | Bamboo Material:Kk | Floor board and floorcloth |
| JP2004345299A (en) * | 2003-05-26 | 2004-12-09 | Mitsuba Giken:Kk | Composite glued laminated lumber of bamboo and thinning wood material |
| CN1569409A (en) * | 2004-04-26 | 2005-01-26 | 南通新洋环保板业有限公司 | Bamboo and wood alternately arranged composite board and its manufacturing method |
| CN1868700A (en) * | 2006-06-05 | 2006-11-29 | 南通新洋环保板业有限公司 | Manufacturing method of bamboo wood composite container baseboard |
| CN101121275A (en) * | 2006-08-10 | 2008-02-13 | 中国国际海运集装箱(集团)股份有限公司 | Method for connecting plywood single board repair |
| CN200960685Y (en) * | 2006-10-26 | 2007-10-17 | 南通新洋环保板业有限公司 | Bamboo-wood plywood for container |
| CN101474810A (en) * | 2009-02-03 | 2009-07-08 | 鸿望有限公司 | Bamboo wood composite container floor |
| JP2011136438A (en) * | 2009-12-25 | 2011-07-14 | Sumitomo Forestry Co Ltd | Woody composite material |
| CN201914627U (en) * | 2010-09-02 | 2011-08-03 | 佛山市顺德区东顺木业有限公司 | Wood-bamboo-composite container bottom board adopting hot-in hot-out process |
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Application publication date: 20120704 |